49919331888 has 100 divisors (see below), whose sum is σ = 149463246240. Its totient is φ = 16065979776.

The previous prime is 49919331881. The next prime is 49919331901. The reversal of 49919331888 is 88813391994.

It is a super-2 number, since 2×49919331888² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (49919331881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 626520 + ... + 701687.

Almost surely, 2^49919331888 is an apocalyptic number.

49919331888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49919331888 is an abundant number, since it is smaller than the sum of its proper divisors (99543914352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49919331888 is a wasteful number, since it uses less digits than its factorization.

49919331888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328256 (or 1328241 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 63.

The spelling of 49919331888 in words is "forty-nine billion, nine hundred nineteen million, three hundred thirty-one thousand, eight hundred eighty-eight".